The research aims to identify the extent to which the two cellular communication (MTN-SYRIATE) dimensions of the learning organization, and the role of these dimensions identified by the researcher (b scientific method of problem solving, continuous learning, work teams, empowerment, memory organization) in improving the performance of employees. To achieve the objective of the study questionnaire was designed to collect information from the research sample, where sample consisted of (60) employees working in companies of cellular communication in the city of Damascus. And data were analyzed using the statistical program SPSS. The researcher used the descriptive analytical approach which is based on the study of the phenomenon also exists in reality. After a process of analysis of the study data and assumptions, the study found out that my company owns cellular communication dimensions of the learning organization (the scientific method to solve problems, continuous learning, work teams, enabling the organization's memory) highly. And the existence of a correlation statistically significant differences between the dimensions of the learning organization and improve the performance of employees. And the existence of significant differences between the views of managers and employees about the role of the dimensions of the learning organization in terms of performance improvement managers gave the highest degree of support staff